call_XBNF* removed / controller::xbnf(grm) handle XBNF parsing
move all controller features to controller class => very big readability benefits
separate XBNF* to EVAL for XBNF and Evaluation inside grammar
cosmetics / useless ctrl_XBNF variable
add operators : add(number) / to_lower & to_upper / operator tests improved
cometics
add "_" to in variable name
simple variable type : one element or rule depend on size assigned to set()